<div>
  <form action="http://127.0.0.1:3000/v1/common/upload_avatar" method="post" enctype="multipart/form-data">
  	<input type="text" name="user_name" />
  	<input type="text" name="passwd" />
    <p> <input type="file" name="avatar" /></p>
    <input type="submit" value="Submit" />
  </form>
<div>
